Intervention and Monitoring Tools

3D Cartesian coordinate systems

Class

Visual-spatial/Geometry

- Engagement/Sustaining efforts and persistence
- Engagement/Self-regulation
- Representation/Perception
- Action and expression/Expression and communication

- Engineering classroom discussions
- Activating students s resources for one another
- Activating learners as the owners of their own learning

• 10 cm edge cube built with thick transparent plastic;
• Plastic rods from the “Mikado” (= Pick Up Sticks) game.

45 Minutes

The activity will be developed in two stages: in the first, points whose coordinates are positive or null will be identified; in the second, with the change of the Cartesian referential, the points will have to deal with positive, negative and / or null coordinates.
1. Identify each edge of the cube with a letter and place plastic sticks from the “Mikado’’ game with different colors on three crossing edges.
2. Place three plastic rods from the “Mikado” game (with different colors) intersecting in the center of two parallel faces and identify some midpoints of the edges and indicate their coordinates.

Identification of coordinates in the 3D space.

www.dge.mec.pt (Programa e Metas Curriculares de Matemática do Ensino Básico)
www.projectmaths.ie (Coordinate Geometry - Project Maths)

Intervention Tool 4.pdf

Monitoring Tool 1.pdf